Heel shank



FIG. 1 is a top, left perspective view of a heel shank showing a new design;

FIG. 2 is a front, end view of the heel shank of FIG. 1;

FIG. 3 is rear, end view of the heel shank of FIG. 1;

FIG. 4 is a right, side view of the heel shank of FIG. 1;

FIG. 5 is a left, side view of the heel shank of FIG. 1;

FIG. 6 is a top view of the heel shank of FIG. 1; and,

FIG. 7 is a bottom view of the heel shank of FIG. 1.

The dashed lines in the drawings are environmental and for illustrative purposes only and form no part of the claimed design. Our design is not limited to the exact details shown in the drawings, since equivalents and colorable imitations thereof will be evident to a person of ordinary skill in the art. 

CLAIM The ornamental design for a heel shank, as shown and described. 